Finding the Fourth Proportional to 126,475.30, 174,553.72 and 80,520.27

Step by Step Solution

1. Step 1: Write the proportion equation
   126,475.30 : 174,553.72 = 80,520.27 : x
2. Step 2: Convert to fraction form
   126,475.30/174,553.72 = 80,520.27/x
3. Step 3: Cross multiply
   126,475.30x = 174,553.72 × 80,520.27
4. Step 4: Simplify right side
   126,475.30x = 14,055,111,388.53
5. Step 5: Solve for x
   x = 14,055,111,388.53/126,475.30
6. Step 6: Final answer
   x = 111,129.30